package com.srv4pos.server.api.infrastructure;
   
   import org.springframework.roo.addon.javabean.RooJavaBean;
   import org.springframework.roo.addon.json.RooJson;
   import org.springframework.roo.addon.tostring.RooToString;
   
   import javax.validation.constraints.NotNull;
   import javax.validation.constraints.Pattern;
   import javax.validation.constraints.Size;
  
  /**
   * Methods called "new" will return the identifier of newly created entity by using this class.
   * <p>User: Kirill, Date: 14.09.13 14:55</p>
   */
  @RooJavaBean
  @RooToString
  @RooJson(deepSerialize = true)
  public class IdentifierInfo implements Info {
      public static final String ALLOWED_LETTERS = "0123456789ABCDEFGHJKLMNPRSTUWXYZ";
      /**
       * It has format {serverId}-{autoincrementId}. Where serverId - unique id of the server,
       * autoincrementId - just +1 unique long id within the server.
       * Both identifiers are in scale of notation with basis 32. To serialize number to the string
       * {@link #ALLOWED_LETTERS} array used. Use {@link com.srv4pos.server.api.infrastructure.http.HttpHelper#shortify(long)} to serialize.     *
       */
      @NotNull
      @Size(max = 50, min = 1)
      @Pattern(regexp = Constraints.WINDOWS_FILENAME_REGEX)
      private String identifier;
  
      public static IdentifierInfo of(String identifier) {
          final IdentifierInfo identifierInfo = new IdentifierInfo();
          identifierInfo.setIdentifier(identifier);
          return identifierInfo;
      }
  }